نتایج جستجو برای: lighting
تعداد نتایج: 17178 فیلتر نتایج به سال:
Abstract: Specifications of security mechanisms often lack explicit descriptions of the envisioned security goals and the underlying assumptions. This makes it difficult for developers and customers to understand the level of security provided by the systems. Moreover, this omission has repeatedly resulted in practical attacks that violate the implicit security assumptions of the specifications...
General relativity is notoriously difficult to interpret. A "return to the mothers" is proposed to better understand the gothic-R theorem of the Schwarzschild metric of general relativity. It is shown that the new finding is already implicit in Einstein's equivalence principle of 1907 and hence in special relativity (with acceleration). The TeLeMaCh theorem, named onomatopoetically after Telema...
How to make vision system work robustly under dynamic light conditions is still a challenging research focus in robot vision community. In this paper, a novel camera parameters auto-adjusting method based on image entropy is proposed. Firstly image entropy is defined and its relationship with camera parameters is verified by experiments. Then how to optimize the camera parameters based on image...
Background and objective: long term work, nonstandard and improper tools, and inadequate lighting in the workplaces are important factors which resulted in awkward postures in hairdressers. The present study was performed to assess general and local lighting and investigate its relationship with postural status assessed by Rapid Entire Body Assessment (REBA) method in Hamadan’ hair salons...
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